FatalErrorException: Error: Class 'Symfony\Component\Debug\Exception\FlattenException' not found

Question

I use sonata admin/userBundle and FosUserBundle but when I check the profile page "/profile",I get this strange error :

FatalErrorException: Error: Class 'Symfony\Component\Debug\Exception\FlattenException' not found in /var/www/project/vendor/sonata-project/user-bundle/Sonata/UserBundle/Block/ProfileMenuBlockService.php line 97

You probably forgot to add some class dependencies (eg. "use .."). Check if you correctly import every used class in ProfileMenuBlockService.php. — tuxone
– tuxone, Commented Feb 3, 2014 at 10:32
I got the same problem, not sure if it is a PHP or Symfony bug. — Filip Górny
– Filip Górny, Commented Feb 22, 2014 at 14:27

Cerad · Accepted Answer · 2014-01-26 15:05:48Z

3

I got the same error a few weeks ago. First time I ever heard of a flattened exception.

I have a BaseController class with two derived controller classes (AccountController and PersonController)

Each of the derived controllers had a createModel() method with different arguments. I decided to clean things up by adding a createModel() method to the BaseController. I started with PersonController and all seemed well.

I then cleared the development cache and suddenly got the flattened exception error. Something in the cache creation process had determined that the arguments to AccountController::createModel() did not match the arguments in BaseController::createModel(). PHP did not care since AccountController was never calling BaseController::createModel. But the cache builder was. Fixing the arguments solved the problem.

The question does not give us much to go on but you might take a look at any inheritance type changes that you may have made.

answered Jan 26, 2014 at 15:05

Cerad

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2 Comments

user3001795 Over a year ago

can you see my Edit in my first message

Cerad Over a year ago

The new error message is a completely different issue. I'd suggest starting another question since the title of this one is now very inaccurate. Hint: it is a template problem. I suspect you may have been copy/pasting things with really understanding. Try searching the net for fields.html.twig

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